Fender Hammertone Boost PedalA true double feature, the Hammertone Boost pushes your signal to new levels with two distinct flavors of boost in one enclosure. Use the Type switch to select between a pristine, clean opamp boost circuit designed for colorless volume boosting and a JFET based boost that fattens your signal with a taste of harmonically rich compression characteristic of preamps in vintage tape units. Easily attain a completely flat boost thanks to the center detents